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Troubleshooting Performance issues/conserve mode on FortiGates

For those of you that don’t know you can use the ‘get system performance top<delay> <max_lines>’ command from the Fortigate CLI console to view the top running processes, and you can sort them by memory usage by pressing ‘m’, in order to assess what is causing the high memory usage on the device.

Note: This command was introduced from FortiOS firmware v4.0 MR2 and onwards.